Products Description
HUS365/HUS372 Chainsaw Clutch Needle Bearing (16x12x13)
Precision Clutch Bearing for Husqvarna 362, 365, 371 & 372 Chainsaws
This needle cage bearing is an essential component of the clutch system for Husqvarna 365, 372 XP, and compatible professional chainsaws . It is a precision bearing that sits between the clutch drum and the crankshaft, enabling smooth rotation and efficient power transfer from the engine to the chain . Manufactured from high-strength, precision-ground bearing steel, this aftermarket replacement ensures reliable performance . This bearing is also compatible with Husqvarna 362, 371, 385, 390, and several Jonsered and RedMax models . Replaces OEM part number 503 43 20-01 .
Technical Profiles & Materials
Precision Bearing Steel Construction – Manufactured from high-grade steel with precision-ground raceways and a special heat treatment process, offering high hardness, excellent wear resistance, and a low coefficient of friction .
OEM-Spec Replacement Fitment – This needle cage bearing replaces Husqvarna OEM part number 503 43 20-01 (which superseded 503 25 45-01) and fits a wide range of professional chainsaw models .
Essential Clutch Performance – A worn bearing can cause increased clutch noise, uneven engagement, slippage, or even damage to the crankshaft and clutch drum . Replacing it restores smooth, consistent operation and extends the life of surrounding components .
Wide Model Compatibility – Designed for the Husqvarna 362, 362 XP, 365, 371 XP, 372 XP, 385, and 390 series, as well as compatible Jonsered models .
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | OEM Part No. | 503 43 20-01 |
| 2 | Superseded OEM Part No. | 503 25 45-01 |
| 3 | Compatible Models | HUS362, HUS365, HUS371, HUS372, HUS385, HUS390 |
| 4 | Also Compatible | Jonsered 2063, 2071, 2163, 2171; RedMax GZ7100 |
| 5 | Material | High-Grade Bearing Steel |
| 6 | Installation Position | Between Clutch Drum and Crankshaft |
Products Application
Clutch Service & Replacement
During clutch system servicing or full overhaul, the needle cage bearing should be inspected and lubricated. The clutch drum and needle bearing are removed as an assembly after taking off the circlip and washer . If the bearing shows signs of wear, it should be replaced.
Preventative Maintenance
Husqvarna recommends regular lubrication of the needle bearing on the output shaft (approximately once a week) using high-quality bearing grease or engine oil . Replacing a worn bearing during scheduled maintenance prevents damage to the crankshaft and clutch drum .
Performance Restoration
If the chainsaw exhibits symptoms like increased noise from the clutch area, uneven engagement, or power delivery issues, the needle bearing may be worn . This replacement part restores smooth, consistent clutch operation, which is critical for professional felling, delimbing, and heavy-duty cutting tasks .
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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FAQ
Q: How do I confirm this bearing fits my Husqvarna chainsaw?
A : Check your chainsaw model number on the housing. This bearing fits Husqvarna 362, 365, 371, 372, 385, and 390 series. It replaces OEM part number 503 43 20-01 . This supersedes the older part number 503 25 45-01 .
Q: How often should the clutch bearing be lubricated?
A: Husqvarna recommends lubricating the clutch needle bearing with high-quality grease or engine oil at least once a week . Regular lubrication is essential to prevent wear and ensure smooth clutch operation.
Q: How is the clutch needle bearing installed?
A: The bearing is fitted between the clutch drum and the drive shaft. It should be greased before assembly . After installation, the clutch drum is fitted over the bearing along with the chain drive-wheel .
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